[1]王涵,于卫平,何连,等.朝阳苜蓿生物量与营养物质含量变化的研究[J].水土保持研究,2005,12(01):113-115.
　WANG Han,YU Wei-ping,HE Lian,et al.A Elementary Study on Biomass Accumulation and Nutriment Content Change of Medicago Sativa L.cv Jacklin[J].Research of Soil and Water Conservation,2005,12(01):113-115.
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朝阳苜蓿生物量与营养物质含量变化的研究

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 12 期数: 2005年01期 页码: 113-115 栏目: 出版日期: 1900-01-01
Title:
A Elementary Study on Biomass Accumulation and Nutriment Content Change of Medicago Sativa L.cv Jacklin
作者:
王涵1, 于卫平1, 何连3, 石学军3, 赵萍2
1. 宁夏林业研究所, 银川, 750004;
2. 北京林业大学, 北京, 100083;
3. 盐池县绿海公司, 宁夏, 盐池, 751500
Author(s):
WANG Han1, YU Wei-ping1, HE Lian3, SHI Xue-jun3, ZHAO Ping2
1. Ningxia Forestry Institute, Yinchuan 750004, China;
2. Beijing Forestry University, Beijing 100083, China;
3. Yanchi Lvhai Alfalfa Development Co., Yanchi, Ningxia 730030, China
关键词:
朝阳苜蓿; 生物量; 营养物质
Keywords:
alfalfa Jacklin; biomass; nutriment
分类号:
S542.4
摘要:
在银南地区，对几种进口优良苜蓿品种进行选育研究，把性状表现良好的美国朝阳苜蓿Jacklin用Iwaasa分层法将苜蓿分成三层（A、B、C），结果表明，随着生长发育的进程，A、B层生物量不断增加；C层生物量相对稳定。从营养期到结实期，B层生物量占总生物量的比例从48.15%增至62.20%；A层从33.62%降至15.47%；C层则由18.23%降至12.47%；并且在整个生长期当中A、B、C三层的营养成分变化较大，粗蛋白含量随生长发育的进程不断降低，由营养期的27.50%降至结实期的12.30%，粗纤维由营养期的17.20%增至结实期的40.60%。
Abstract:
Breed selection study was carried out in the south area of Ningxia.By Iawwsa’s an individual plant of a favorable breed-Jacklin,alfalfa Jacklin of USA was divided into three layers(A,B,C).The results show that with the development and growth,the biomass of A and B increased while that of C is comparatively steady.During the period from nutrition to seed,the propotion of biomass of layer B of total biomass increased from 48.15% to 62.20%.The propotion of B decreased from (33.62%) to 15.47% and that of layer C increased from 18.23% to 12.47%.The nourishment composition of three layers changed during whole growth period.The content of crude protein decreased from 27.50% in nutrition time to 12.30% in seed time while the content of crude fibre increased from 17.20% to 40.60%.

参考文献/References:

[1] 刘建宁, 贺东昌. 北方干旱地区牧草栽培与利用[M].北京:金盾出版社, 2002.
[2] 杨胜.饲料分析及饲料质量检测技术[M] 北京:北京农业大学出版社, 1993.19-20.
[3] 耿华珠.中国苜蓿[M].北京:中国农业出版社, 1995.
[4] 陈默君, 贾慎修.中国饲用植物[M].北京:中国农业出版社, 2000.
[5] Kalu B A, Fick G W.Morphological stage of development as a predictor oalfalfaherbage quality[J].Crop Sci, 1983, 23:1157-1172.
[6] Iwaasa A D, Beauchemin K A, Acharya S N. Shearing force of alfalfa stems:effect of cultivar and shearing site[J].Can.J, Plant Sci., 1999, 79:49-55.

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备注/Memo

收稿日期:2004-8-23。
基金项目:"十五"国家科技攻关计划"防沙治沙关键技术研究与示范"项目——"宁夏河东沙地退化草场植被恢复与风蚀沙化防治技术示范区（盐池）"课题（2002BA517A）
作者简介:王涵（1980- ），男，甘肃会宁人，研究实习员.

更新日期/Last Update: 1900-01-01